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From Stack <st...@duboce.net>
Subject Re: HBase to MapReduce Scans missing rows
Date Wed, 30 May 2012 17:44:32 GMT
On Wed, May 30, 2012 at 9:37 AM, Whitney Sorenson <wsorenson@hubspot.com> wrote:
> We have been using HBase Scans to feed MapReduce jobs for over a year
> now. However, on close inspection, we have seen instances where some
> block of rows are inexplicably missing.
>
> We thought that this may happen during region splits or with jobs with
> many mappers, but we have seen, for example, 1000 rows missing from a
> 150,000 row scan coming from a single mapper.
>
> It is not easily reproducible - launching the job again includes all
> the rows. Does anyone have any insight into what may be going on, or
> if there is a bug somewhere?
>

Which version of HBase Whitney?
St.Ack

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